Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Starter relay circuit high / Monitor description
Toyota Corolla (E120): Monitor description
While the engine is being cranked, the battery positive voltage is applied to terminal sta of the ecm.
If the ecm detects the starter control signal (sta) while the vehicle is driving, it will conclude that there is a fault in the starter control circuit. The ecm will turn on the mil and a dtc is set.

Monitor strategy

Typical enabling conditions

Typical malfunction thresholds

Wiring diagram

Other materials:
Hood
Release the lock from the inside of the vehicle to open the hood.
1 Pull the hood lock release lever.
The hood will pop up slightly.
2 Pull up the auxiliary catch lever and lift the hood.
3 Hold the hood open by inserting the support rod into the slot.
CAUTION
■Pre-driving check
C ...
Key information
Keys
The following keys are provided with the vehicle.
► Vehicles without a smart key system
(type A)
1 Keys
2 Key number plate
► Vehicles without a smart key system (type
B)
1 Keys
Operating the wireless remote control function
2 Key number plate
► Vehicles ...
Circuit description
The purpose of this circuit is to prevent the engine from stalling while
driving in lock–up condition, when
brakes are suddenly applied.
When the brake pedal is depressed, this switch sends a signals to the ecm. Then
the ecm cancels the operation
of the lock–up clutch while braking is i ...


